409489348 has 12 divisors (see below), whose sum is σ = 716751532. Its totient is φ = 204703200.

The previous prime is 409489337. The next prime is 409489369. The reversal of 409489348 is 843984904.

It can be written as a sum of positive squares in 2 ways, for example, as 263997504 + 145491844 = 16248^2 + 12062^2 .

It is a super-2 number, since 2×409489348² = 335363052250930208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26086 + ... + 38722.

Almost surely, 2^409489348 is an apocalyptic number.

It is an amenable number.

409489348 is a deficient number, since it is larger than the sum of its proper divisors (307262184).

409489348 is a wasteful number, since it uses less digits than its factorization.

409489348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20742 (or 20740 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 409489348 is about 20235.8431502124. The cubic root of 409489348 is about 742.5873322135.

The spelling of 409489348 in words is "four hundred nine million, four hundred eighty-nine thousand, three hundred forty-eight".